Svyelun of Sea and Sky (Commander) - Budget Core

Svyelun of Sea and Sky
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Background image for 21 Best Merfolk Cards for Commander
Chris Guest
Jul 9, 2025
Chris Guest
21 Best Merfolk Cards for Commander
As one of Magic's oldest creature types, there are no shortage of excellent Merfolk to brew with. Chris breaks down the best of the best in this list.
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Merfolk Sovereign
80%inclusion12 decks15 decks
78%synergy
Deeproot Waters
73%inclusion11 decks15 decks
72%synergy
Streambed Aquitects
67%inclusion10 decks15 decks
66%synergy
Library Larcenist
67%inclusion10 decks15 decks
66%synergy
Tempest Caller
67%inclusion10 decks15 decks
66%synergy
Seafloor Oracle
67%inclusion10 decks15 decks
65%synergy
Kopala, Warden of Waves
67%inclusion10 decks15 decks
65%synergy
Triton Shorestalker
67%inclusion10 decks15 decks
64%synergy
Aquatic Incursion
60%inclusion9 decks15 decks
60%synergy
Merrow Reejerey
60%inclusion9 decks15 decks
58%synergy
Top Cards
Stonybrook Banneret
60%inclusion9 decks15 decks
56%synergy
Negate
60%inclusion9 decks15 decks
22%synergy
Kefnet's Monument
60%inclusion9 decks15 decks
53%synergy
Merfolk Looter
60%inclusion9 decks15 decks
58%synergy
Coralhelm Commander
53%inclusion8 decks15 decks
53%synergy
Crashing Tide
53%inclusion8 decks15 decks
53%synergy
Emperor Mihail II
53%inclusion8 decks15 decks
52%synergy
Mist-Cloaked Herald
53%inclusion8 decks15 decks
51%synergy
Tidal Warrior
53%inclusion8 decks15 decks
53%synergy
Harbinger of the Tides
53%inclusion8 decks15 decks
52%synergy
Creatures
Silvergill Adept
53%inclusion8 decks15 decks
53%synergy
River Sneak
53%inclusion8 decks15 decks
53%synergy
Master of the Pearl Trident
53%inclusion8 decks15 decks
52%synergy
Slinn Voda, the Rising Deep
47%inclusion7 decks15 decks
45%synergy
Merfolk Wayfinder
47%inclusion7 decks15 decks
46%synergy
Mist Dancer
47%inclusion7 decks15 decks
46%synergy
Merfolk Spy
47%inclusion7 decks15 decks
46%synergy
Thieving Skydiver
47%inclusion7 decks15 decks
42%synergy
Tide Shaper
47%inclusion7 decks15 decks
46%synergy
Stormtide Leviathan
40%inclusion6 decks15 decks
33%synergy
Vodalian Hexcatcher
40%inclusion6 decks15 decks
39%synergy
Rishadan Dockhand
40%inclusion6 decks15 decks
39%synergy
Tidal Courier
40%inclusion6 decks15 decks
40%synergy
Gray Harbor Merfolk
40%inclusion6 decks15 decks
40%synergy
Sea Scryer
40%inclusion6 decks15 decks
39%synergy
Merfolk Trickster
40%inclusion6 decks15 decks
38%synergy
Master of Waves
33%inclusion5 decks15 decks
30%synergy
Vodalian Arcanist
33%inclusion5 decks15 decks
33%synergy
Merfolk Skyscout
33%inclusion5 decks15 decks
33%synergy
Storm Sculptor
33%inclusion5 decks15 decks
33%synergy
Seasinger
27%inclusion4 decks15 decks
26%synergy
Tideshaper Mystic
27%inclusion4 decks15 decks
26%synergy
Scroll Thief
27%inclusion4 decks15 decks
26%synergy
Merrow Levitator
27%inclusion4 decks15 decks
27%synergy
Silvergill Douser
27%inclusion4 decks15 decks
27%synergy
Enclave Cryptologist
27%inclusion4 decks15 decks
26%synergy
Talrand, Sky Summoner
27%inclusion4 decks15 decks
13%synergy
Watertrap Weaver
27%inclusion4 decks15 decks
27%synergy
Thassa, God of the Sea
27%inclusion4 decks15 decks
23%synergy
Shipwreck Dowser
27%inclusion4 decks15 decks
24%synergy
Forensic Researcher
21%inclusion3 decks14 decks
20%synergy
River Herald Scout
20%inclusion3 decks15 decks
20%synergy
Merfolk Observer
20%inclusion3 decks15 decks
20%synergy
Maritime Guard
20%inclusion3 decks15 decks
20%synergy
Wonder
20%inclusion3 decks15 decks
15%synergy
Reef Shaman
20%inclusion3 decks15 decks
20%synergy
Simic Fluxmage
20%inclusion3 decks15 decks
20%synergy
Waterspout Weavers
20%inclusion3 decks15 decks
20%synergy
Cosi's Trickster
20%inclusion3 decks15 decks
19%synergy
Mistcaller
20%inclusion3 decks15 decks
19%synergy
Sage of the Falls
20%inclusion3 decks15 decks
20%synergy
Salvager of Secrets
20%inclusion3 decks15 decks
19%synergy
Merfolk Pupil
20%inclusion3 decks15 decks
19%synergy
Nyxborn Triton
20%inclusion3 decks15 decks
20%synergy
Windrider Patrol
20%inclusion3 decks15 decks
20%synergy
Wake Thrasher
20%inclusion3 decks15 decks
19%synergy
Cleric of Chill Depths
20%inclusion3 decks15 decks
20%synergy
Merrow Harbinger
13%inclusion2 decks15 decks
12%synergy
Merfolk Coralsmith
13%inclusion2 decks15 decks
13%synergy
Vodalian Soldiers
13%inclusion2 decks15 decks
13%synergy
Instants
Run Away Together
47%inclusion7 decks15 decks
43%synergy
Thassa's Rebuff
40%inclusion6 decks15 decks
39%synergy
Essence Scatter
33%inclusion5 decks15 decks
30%synergy
Opt
33%inclusion5 decks15 decks
8%synergy
Mana Leak
33%inclusion5 decks15 decks
27%synergy
Counterspell
33%inclusion5 decks15 decks
-33%synergy
Disdainful Stroke
27%inclusion4 decks15 decks
22%synergy
Reject
27%inclusion4 decks15 decks
26%synergy
Deliberate
27%inclusion4 decks15 decks
24%synergy
Aetherize
27%inclusion4 decks15 decks
-2%synergy
Reality Shift
27%inclusion4 decks15 decks
-1%synergy
Resculpt
27%inclusion4 decks15 decks
8%synergy
Spell Pierce
27%inclusion4 decks15 decks
18%synergy
Essence Capture
20%inclusion3 decks15 decks
19%synergy
Unsummon
20%inclusion3 decks15 decks
16%synergy
Jwari Disruption
20%inclusion3 decks15 decks
15%synergy
High Tide
20%inclusion3 decks15 decks
-24%synergy
Brainstorm
13%inclusion2 decks15 decks
-28%synergy
You Find the Villains' Lair
13%inclusion2 decks15 decks
10%synergy
Aetherspouts
13%inclusion2 decks15 decks
6%synergy
Blink of an Eye
13%inclusion2 decks15 decks
11%synergy
Dissolve
13%inclusion2 decks15 decks
10%synergy
Dispel
13%inclusion2 decks15 decks
4%synergy
Cancel
13%inclusion2 decks15 decks
8%synergy
Crippling Chill
13%inclusion2 decks15 decks
13%synergy
Engulf the Shore
13%inclusion2 decks15 decks
5%synergy
Anticipate
13%inclusion2 decks15 decks
11%synergy
Beyeen Veil
13%inclusion2 decks15 decks
12%synergy
Flow of Knowledge
13%inclusion2 decks15 decks
-3%synergy
Grip of the Roil
13%inclusion2 decks15 decks
13%synergy
Keep Safe
13%inclusion2 decks15 decks
11%synergy
Curate
13%inclusion2 decks15 decks
11%synergy
Saw It Coming
13%inclusion2 decks15 decks
10%synergy
Into the Roil
13%inclusion2 decks15 decks
10%synergy
Blur
6.7%inclusion1 decks15 decks
1%synergy
Grip of Amnesia
6.7%inclusion1 decks15 decks
6%synergy
Glimpse of Freedom
6.7%inclusion1 decks15 decks
6%synergy
Mizzium Skin
6.7%inclusion1 decks15 decks
5%synergy
Spell Blast
6.7%inclusion1 decks15 decks
7%synergy
Gridlock
6.7%inclusion1 decks15 decks
7%synergy
Rapid Hybridization
6.7%inclusion1 decks15 decks
-28%synergy
Snow Day
6.7%inclusion1 decks15 decks
7%synergy
Telling Time
6.7%inclusion1 decks15 decks
5%synergy
Lose Focus
6.7%inclusion1 decks15 decks
6%synergy
Careful Consideration
6.7%inclusion1 decks15 decks
6%synergy
Retraction Helix
6.7%inclusion1 decks15 decks
5%synergy
Blustersquall
6.7%inclusion1 decks15 decks
6%synergy
Sapphire Charm
6.7%inclusion1 decks15 decks
6%synergy
Stern Dismissal
6.7%inclusion1 decks15 decks
6%synergy
Censor
6.7%inclusion1 decks15 decks
6%synergy
Sorceries
Aquitect's Will
47%inclusion7 decks15 decks
41%synergy
Distant Melody
40%inclusion6 decks15 decks
35%synergy
Curse of the Swine
27%inclusion4 decks15 decks
15%synergy
Secrets of the Golden City
27%inclusion4 decks15 decks
26%synergy
Chart a Course
20%inclusion3 decks15 decks
16%synergy
Divination
20%inclusion3 decks15 decks
18%synergy
Wash Out
20%inclusion3 decks15 decks
15%synergy
Ravenform
20%inclusion3 decks15 decks
10%synergy
Drag Under
13%inclusion2 decks15 decks
13%synergy
Research the Deep
13%inclusion2 decks15 decks
13%synergy
Scour All Possibilities
13%inclusion2 decks15 decks
12%synergy
Sleep
13%inclusion2 decks15 decks
12%synergy
Undo
13%inclusion2 decks15 decks
13%synergy
Whelming Wave
13%inclusion2 decks15 decks
9%synergy
Flood of Recollection
6.7%inclusion1 decks15 decks
4%synergy
Void Snare
6.7%inclusion1 decks15 decks
6%synergy
Hard Evidence
6.7%inclusion1 decks15 decks
5%synergy
Blue Sun's Twilight
6.7%inclusion1 decks15 decks
3%synergy
Displacement Wave
6.7%inclusion1 decks15 decks
6%synergy
Devastation Tide
6.7%inclusion1 decks15 decks
4%synergy
Slip Through Space
6.7%inclusion1 decks15 decks
2%synergy
Vivisection
6.7%inclusion1 decks15 decks
6%synergy
Switcheroo
6.7%inclusion1 decks15 decks
6%synergy
Roiling Waters
6.7%inclusion1 decks15 decks
7%synergy
Flood of Tears
6.7%inclusion1 decks15 decks
3%synergy
Hidden Strings
6.7%inclusion1 decks15 decks
3%synergy
Preordain
6.7%inclusion1 decks15 decks
-18%synergy
Tales of the Ancestors
6.7%inclusion1 decks15 decks
6%synergy
Spectral Deluge
6.7%inclusion1 decks15 decks
-4%synergy
Multiple Choice
6.7%inclusion1 decks15 decks
6%synergy
Birthday Escape
6.7%inclusion1 decks15 decks
6%synergy
Breakthrough
6.7%inclusion1 decks15 decks
6%synergy
Flow of Ideas
6.7%inclusion1 decks15 decks
2%synergy
Open into Wonder
6.7%inclusion1 decks15 decks
6%synergy
Shared Discovery
6.7%inclusion1 decks15 decks
6%synergy
Temporal Cleansing
6.7%inclusion1 decks15 decks
6%synergy
Rush of Ice
6.7%inclusion1 decks15 decks
7%synergy
Contingency Plan
6.7%inclusion1 decks15 decks
6%synergy
Stealth Mission
6.7%inclusion1 decks15 decks
6%synergy
Unexplained Vision
6.7%inclusion1 decks15 decks
6%synergy
Mercurial Transformation
6.7%inclusion1 decks15 decks
7%synergy
Utility Artifacts
Bident of Thassa
27%inclusion4 decks15 decks
15%synergy
Icon of Ancestry
20%inclusion3 decks15 decks
19%synergy
Ring of Evos Isle
13%inclusion2 decks15 decks
12%synergy
Mantle of Tides
13%inclusion2 decks15 decks
13%synergy
Robe of the Archmagi
13%inclusion2 decks15 decks
12%synergy
Wayfarer's Bauble
13%inclusion2 decks15 decks
-5%synergy
Staff of the Mind Magus
6.7%inclusion1 decks15 decks
6%synergy
Kraken's Eye
6.7%inclusion1 decks15 decks
6%synergy
Voyager Staff
6.7%inclusion1 decks15 decks
6%synergy
Coat of Arms
6.7%inclusion1 decks15 decks
5%synergy
Stoneforge Masterwork
6.7%inclusion1 decks15 decks
6%synergy
Seer's Sundial
6.7%inclusion1 decks15 decks
6%synergy
Hot Soup
6.7%inclusion1 decks15 decks
7%synergy
Inquisitor's Flail
6.7%inclusion1 decks15 decks
6%synergy
Swiftfoot Boots
6.7%inclusion1 decks15 decks
-21%synergy
Tome of Legends
6.7%inclusion1 decks15 decks
6%synergy
Endless Atlas
6.7%inclusion1 decks15 decks
6%synergy
Mask of Memory
6.7%inclusion1 decks15 decks
6%synergy
Blackblade Reforged
6.7%inclusion1 decks15 decks
2%synergy
Hero's Blade
6.7%inclusion1 decks15 decks
6%synergy
Mimic Vat
6.7%inclusion1 decks15 decks
6%synergy
Heirloom Blade
6.7%inclusion1 decks15 decks
7%synergy
Mask of Avacyn
6.7%inclusion1 decks15 decks
6%synergy
Sigil of Valor
6.7%inclusion1 decks15 decks
7%synergy
Navigation Orb
6.7%inclusion1 decks15 decks
6%synergy
Sword of the Paruns
6.7%inclusion1 decks15 decks
7%synergy
Obelisk of Urd
6.7%inclusion1 decks15 decks
6%synergy
Sapphire Medallion
6.7%inclusion1 decks15 decks
-50%synergy
Enchantments
Deeproot Pilgrimage
40%inclusion6 decks15 decks
39%synergy
Reflections of Littjara
33%inclusion5 decks15 decks
30%synergy
Reconnaissance Mission
27%inclusion4 decks15 decks
20%synergy
Military Intelligence
20%inclusion3 decks15 decks
19%synergy
Eaten by Piranhas
20%inclusion3 decks15 decks
17%synergy
Witness Protection
13%inclusion2 decks15 decks
8%synergy
Spreading Seas
13%inclusion2 decks15 decks
12%synergy
Utter Insignificance
9.1%inclusion1 decks11 decks
8%synergy
Slow Motion
6.7%inclusion1 decks15 decks
7%synergy
Protective Bubble
6.7%inclusion1 decks15 decks
7%synergy
Curiosity
6.7%inclusion1 decks15 decks
4%synergy
Scuttletide
6.7%inclusion1 decks15 decks
6%synergy
Well of Ideas
6.7%inclusion1 decks15 decks
5%synergy
In Bolas's Clutches
6.7%inclusion1 decks15 decks
6%synergy
Font of Fortunes
6.7%inclusion1 decks15 decks
7%synergy
Cartouche of Knowledge
6.7%inclusion1 decks15 decks
6%synergy
So Shiny
6.7%inclusion1 decks15 decks
7%synergy
Deep Freeze
6.7%inclusion1 decks15 decks
6%synergy
Frogify
6.7%inclusion1 decks15 decks
5%synergy
Aqueous Form
6.7%inclusion1 decks15 decks
2%synergy
Eyes Everywhere
6.7%inclusion1 decks15 decks
6%synergy
Shimmering Wings
6.7%inclusion1 decks15 decks
7%synergy
Ordeal of Thassa
6.7%inclusion1 decks15 decks
6%synergy
Levitation
6.7%inclusion1 decks15 decks
6%synergy
Kasmina's Transmutation
6.7%inclusion1 decks15 decks
5%synergy
Tidal Flats
6.7%inclusion1 decks15 decks
7%synergy
Call to the Kindred
6.7%inclusion1 decks15 decks
6%synergy
Traveler's Cloak
6.7%inclusion1 decks15 decks
6%synergy
Lay Claim
6.7%inclusion1 decks15 decks
6%synergy
Mystic Redaction
6.7%inclusion1 decks15 decks
6%synergy
Retreat to Coralhelm
6.7%inclusion1 decks15 decks
4%synergy
Day of the Dragons
6.7%inclusion1 decks15 decks
6%synergy
Sleeping Potion
6.7%inclusion1 decks15 decks
7%synergy
Ever-Watching Threshold
6.7%inclusion1 decks15 decks
6%synergy
Curse of Verbosity
6.7%inclusion1 decks15 decks
5%synergy
Flight of Fancy
6.7%inclusion1 decks15 decks
6%synergy
Telepathy
6.7%inclusion1 decks15 decks
5%synergy
Sea's Claim
6.7%inclusion1 decks15 decks
6%synergy
Combat Research
6.7%inclusion1 decks15 decks
4%synergy
Rune of Flight
6.7%inclusion1 decks15 decks
6%synergy
Containment Membrane
6.7%inclusion1 decks15 decks
7%synergy
As Foretold
6.7%inclusion1 decks15 decks
3%synergy
Confounding Conundrum
6.7%inclusion1 decks15 decks
6%synergy
Candlekeep Sage
6.7%inclusion1 decks15 decks
6%synergy
Ior Ruin Expedition
6.7%inclusion1 decks15 decks
6%synergy
Planeswalkers
Jace, Arcane Strategist
6.7%inclusion1 decks15 decks
6%synergy
Utility Lands
Lonely Sandbar
33%inclusion5 decks15 decks
19%synergy
Remote Isle
27%inclusion4 decks15 decks
21%synergy
Skyline Cascade
27%inclusion4 decks15 decks
25%synergy
Desert of the Mindful
20%inclusion3 decks15 decks
16%synergy
Memorial to Genius
20%inclusion3 decks15 decks
18%synergy
Mystic Sanctuary
13%inclusion2 decks15 decks
-37%synergy
Soaring Seacliff
13%inclusion2 decks15 decks
13%synergy
Cryptic Caves
13%inclusion2 decks15 decks
13%synergy
Rogue's Passage
13%inclusion2 decks15 decks
-2%synergy
Arch of Orazca
6.7%inclusion1 decks15 decks
6%synergy
Coral Atoll
6.7%inclusion1 decks15 decks
3%synergy
Halimar Depths
6.7%inclusion1 decks15 decks
-4%synergy
Blighted Cataract
6.7%inclusion1 decks15 decks
6%synergy
Haunted Fengraf
6.7%inclusion1 decks15 decks
6%synergy
Nephalia Academy
6.7%inclusion1 decks15 decks
6%synergy
Sea Gate Wreckage
6.7%inclusion1 decks15 decks
7%synergy
Tocasia's Dig Site
6.7%inclusion1 decks15 decks
6%synergy
Drownyard Temple
6.7%inclusion1 decks15 decks
6%synergy
Castle Vantress
6.7%inclusion1 decks15 decks
-12%synergy
The Surgical Bay
6.7%inclusion1 decks15 decks
5%synergy
Guildless Commons
6.7%inclusion1 decks15 decks
5%synergy
Labyrinth of Skophos
6.7%inclusion1 decks15 decks
6%synergy
Reliquary Tower
6.7%inclusion1 decks15 decks
-50%synergy
Temple of the False God
6.7%inclusion1 decks15 decks
-4%synergy
Mana Artifacts
Mind Stone
40%inclusion6 decks15 decks
3%synergy
Sky Diamond
33%inclusion5 decks15 decks
10%synergy
Commander's Sphere
27%inclusion4 decks15 decks
17%synergy
Sol Ring
27%inclusion4 decks15 decks
-59%synergy
Prismatic Lens
27%inclusion4 decks15 decks
23%synergy
Arcane Signet
20%inclusion3 decks15 decks
-45%synergy
Heraldic Banner
20%inclusion3 decks15 decks
14%synergy
Replicating Ring
20%inclusion3 decks15 decks
18%synergy
Thought Vessel
13%inclusion2 decks15 decks
-38%synergy
Midnight Clock
13%inclusion2 decks15 decks
-7%synergy
Mana Geode
6.7%inclusion1 decks15 decks
6%synergy
Everflowing Chalice
6.7%inclusion1 decks15 decks
-10%synergy
Altar of the Pantheon
6.7%inclusion1 decks15 decks
6%synergy
Bonder's Ornament
6.7%inclusion1 decks15 decks
6%synergy
Moonsnare Prototype
6.7%inclusion1 decks15 decks
5%synergy
Darksteel Ingot
6.7%inclusion1 decks15 decks
6%synergy
Honored Heirloom
6.7%inclusion1 decks15 decks
6%synergy
Planar Atlas
6.7%inclusion1 decks15 decks
6%synergy
Guardian Idol
6.7%inclusion1 decks15 decks
6%synergy
Lands
Island
100%inclusion15 decks15 decks
7%synergy
Myriad Landscape
20%inclusion3 decks15 decks
-7%synergy
Path of Ancestry
20%inclusion3 decks15 decks
16%synergy
Jwari Disruption
20%inclusion3 decks15 decks
15%synergy
Evolving Wilds
13%inclusion2 decks15 decks
9%synergy
Beyeen Veil
13%inclusion2 decks15 decks
12%synergy
Umara Wizard
13%inclusion2 decks15 decks
13%synergy
Terramorphic Expanse
6.7%inclusion1 decks15 decks
3%synergy
Hall of Tagsin
6.7%inclusion1 decks15 decks
6%synergy
Silundi Vision
6.7%inclusion1 decks15 decks
1%synergy
Study Hall
6.7%inclusion1 decks15 decks
6%synergy
Crystal Grotto
6.7%inclusion1 decks15 decks
6%synergy
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